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/*
CLAW - a C++ Library Absolutely Wonderful
CLAW is a free library without any particular aim but being useful to
anyone.
Copyright (C) 2005-2011 Julien Jorge
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
contact: julien.jorge@gamned.org
*/
#include "claw/tween/single_tweener.hpp"
#include "claw/tween/easing/easing_back.hpp"
#include "claw/tween/easing/easing_bounce.hpp"
#include "claw/tween/easing/easing_circ.hpp"
#include "claw/tween/easing/easing_cubic.hpp"
#include "claw/tween/easing/easing_elastic.hpp"
#include "claw/tween/easing/easing_expo.hpp"
#include "claw/tween/easing/easing_linear.hpp"
#include "claw/tween/easing/easing_none.hpp"
#include "claw/tween/easing/easing_quad.hpp"
#include "claw/tween/easing/easing_quart.hpp"
#include "claw/tween/easing/easing_quint.hpp"
#include "claw/tween/easing/easing_sine.hpp"
#include <iostream>
#include <fstream>
#include <boost/bind.hpp>
class tester
{
public:
void run
( std::ostream& output, double init, double end, double duration,
claw::tween::single_tweener::easing_function e );
void run_ref
( std::ostream& output, double init, double end, double duration,
claw::tween::single_tweener::easing_function e );
private:
void print_val( double d ) const;
private:
double m_date;
std::ostream* m_output;
}; // class tester
void tester::print_val( double d ) const
{
*m_output << m_date << '\t' << d << std::endl;
} // print_val()
void tester::run
( std::ostream& output, double init, double end, double duration,
claw::tween::single_tweener::easing_function e )
{
claw::tween::single_tweener t
(init, end, duration, boost::bind(&tester::print_val, this, _1), e );
m_output = &output;
m_date = 0;
t.update(0);
while ( !t.is_finished() )
{
m_date += 0.1;
t.update(0.1);
}
} // run()
void tester::run_ref
( std::ostream& output, double init, double end, double duration,
claw::tween::single_tweener::easing_function e )
{
double val(0);
claw::tween::single_tweener t(val, end, duration, e );
m_output = NULL;
m_date = 0;
t.update(0);
while ( !t.is_finished() )
{
m_date += 0.1;
t.update(0.1);
output << m_date << '\t' << val << std::endl;
}
} // run_ref()
template<typename Easing>
void test()
{
tester t;
std::ofstream f("in.plot");
t.run( f, 0, 1, 10, Easing::ease_in );
f.close();
f.open("out.plot");
t.run( f, 0, 1, 10, Easing::ease_out );
f.close();
f.open("inout.plot");
t.run( f, 0, 1, 10, Easing::ease_in_out );
f.close();
f.open("ref-inout.plot");
t.run( f, 0, 1, 10, Easing::ease_in_out );
} // test()
int main( int argc, char* argv[] )
{
if ( argc != 2 )
{
std::cerr << "usage: " << argv[0] << " easing" << std::endl;
std::cerr << "where easing is one of: none, back, bounce, circ, cubic, elastic, expo, linear, quad, quart, quint, "
<< "sine";
std::cerr << std::endl;
return 1;
}
const std::string easing(argv[1]);
if ( easing == "none" )
test<claw::tween::easing_none>();
else if ( easing == "back" )
test<claw::tween::easing_back>();
else if ( easing == "bounce" )
test<claw::tween::easing_bounce>();
else if ( easing == "circ" )
test<claw::tween::easing_circ>();
else if ( easing == "cubic" )
test<claw::tween::easing_cubic>();
else if ( easing == "elastic" )
test<claw::tween::easing_elastic>();
else if ( easing == "expo" )
test<claw::tween::easing_expo>();
else if ( easing == "linear" )
test<claw::tween::easing_linear>();
else if ( easing == "quad" )
test<claw::tween::easing_quad>();
else if ( easing == "quart" )
test<claw::tween::easing_quart>();
else if ( easing == "quint" )
test<claw::tween::easing_quint>();
else if ( easing == "sine" )
test<claw::tween::easing_sine>();
else
std::cerr << "Unknown easing type: '" << easing << "'." << std::endl;
return 0;
}
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